package com.hehao.java_basic.thread;

/**
 * @Author hehao
 * @Date 2022/3/10 21:53
 * @Version
 */
//生产者消费者模型--》利用缓冲区解决：管程法
//生产者 消费者  产品  缓冲区
public class ProductorConsumer {
    public static void main(String[] args) {
        SynContainer container = new SynContainer();
        Productor productor = new Productor(container);
        Consumer consumer = new Consumer(container);
        productor.start();
        consumer.start();

    }
}

//生产者
class Productor extends Thread {
    SynContainer container;

    public Productor(SynContainer container) {
        this.container = container;
    }
    @Override
    public void run() {
        for (int i = 1; i <= 100; i++) {
            container.push(new Chicken(i));
            System.out.println("生产了"+i+"只鸡");
        }

    }
}

//消费者
class Consumer extends Thread {
    SynContainer container;

    public Consumer(SynContainer container) {
        this.container = container;
    }

    @Override
    public void run() {
        for (int i = 1; i <= 100; i++) {
            System.out.println("消费了---->"+container.pop().id+"只鸡");
        }

    }
}

//产品
class Chicken {
    int id;

    public Chicken(int id) {
        this.id = id;
    }
}

//缓存区
class SynContainer {
    //容器大小
    Chicken[] chickens = new Chicken[10];
    //容器计数器
    int count = 0;
    //生产者生产
    public synchronized void push(Chicken chicken) {
        //容器满了，等待消费
        if (count == chickens.length) {
            //通知消费，生产等待
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }
        //未满 生产
        chickens[count] = chicken;
        count++;
        //通知消费
        this.notifyAll();
    }

    public synchronized Chicken pop() {
        if (count==0) {
            //等待生产
            try {
                this.wait();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        //消费
        count--;
        Chicken chicken = chickens[count];
        //通知生产
        this.notifyAll();
        return chicken;

    }

}
